CN217818423U - Special sheet-type plug gauge capable of simultaneously measuring roundness, verticality and coaxiality - Google Patents
Special sheet-type plug gauge capable of simultaneously measuring roundness, verticality and coaxiality Download PDFInfo
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- CN217818423U CN217818423U CN202221321918.2U CN202221321918U CN217818423U CN 217818423 U CN217818423 U CN 217818423U CN 202221321918 U CN202221321918 U CN 202221321918U CN 217818423 U CN217818423 U CN 217818423U
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Abstract
The utility model discloses a but special piece type feeler gauge of simultaneous measurement circularity, straightness that hangs down and axiality of feeler gauge measuring tool technical field aims at solving annular feeler gauge and uses inconvenient and long technical problem consuming time, including big-end-up's body and set up in the benchmark board of body top, the height of body is greater than the degree of depth in the circular cone hole that awaits measuring, the upper surface of benchmark board is the horizontal reference surface, and the length of benchmark board is greater than the diameter of the big footpath end in the circular cone hole that awaits measuring, all be equipped with the tapering measuring surface with the circular cone hole looks adaptation that awaits measuring in the both sides of body length direction; the upper surface of the reference plate is provided with a bulge, and the bulge is provided with a vertical reference surface. The utility model discloses simple structure, convenient to use can accomplish graphite electrode circularity, straightness and the detection of axiality of hanging down fast simultaneously, is applicable to graphite electrode's on-line measuring.
Description
Technical Field
The utility model relates to a feeler gauge measuring tool technical field, concretely relates to but special piece type feeler gauge of simultaneous measurement circularity, straightness and axiality hangs down.
Background
The graphite electrode joint is a fitting of a graphite electrode and is matched with the graphite electrode for use, as shown in figure 1, the graphite electrode is integrally cylindrical in shape, and two ends of the graphite electrode are provided with coaxial conical holes. The coaxiality between the conical holes at the two ends of the finished graphite electrode and the graphite electrode, the verticality between the conical holes and the end surface of the graphite electrode and the roundness of the outer circumferential wall of the graphite electrode need to be checked; the conventional inspection method adopts a thread plug gauge for measurement, but the method has the defects of complicated steps, long time consumption (screwing in and screwing out of the thread plug gauge) and unsuitability for detecting various products on line.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a but special sheet type feeler gauge of simultaneous measurement circularity, straightness and axiality hangs down to solve annular feeler gauge and use inconvenient and long technical problem consuming time.
The utility model discloses the technical scheme who adopts does:
designing a special sheet-type plug gauge capable of measuring roundness, verticality and coaxiality simultaneously, which comprises a body with a large upper part and a small lower part and a reference plate arranged at the top end of the body, wherein the height of the body is greater than the depth of the conical hole to be measured, the upper surface of the reference plate is a horizontal reference surface, the length of the reference plate is greater than the diameter of the large-diameter end of the conical hole to be measured, and two sides of the body in the length direction are respectively provided with a taper measuring surface matched with the conical hole to be measured; the upper surface of the reference plate is provided with a bulge, and the bulge is provided with a vertical reference surface.
Preferably, the two protrusions are mirror images of mirror symmetry planes of the two taper measuring planes.
Preferably, the vertical reference surface is an arc surface, and the arc surface is coaxial with the outer circumferential surface of the standard graphite electrode.
Preferably, the vertical reference surface is arranged on one side of the two bosses which are away from each other.
Preferably, the reference plate is provided with a distance measuring hole.
Preferably, a plurality of lightening holes are formed in the body.
Compared with the prior art, the utility model has the advantages that:
the utility model discloses simple structure, convenient to use can accomplish graphite electrode circularity, straightness and the detection of axiality of hanging down fast simultaneously, is applicable to graphite electrode's on-line measuring.
Drawings
FIG. 1 is a schematic structural view of a graphite electrode;
FIG. 2 is a schematic structural view of the present invention;
fig. 3 is a top view of the present invention;
fig. 4 is one of the use state reference diagrams of the present invention;
fig. 5 is a second reference view of the present invention in use;
the device comprises a body 1, a reference plate 2, a horizontal reference surface 3, a taper measuring surface 4, a protrusion 5, a vertical reference surface 6, a lightening hole 7, a distance measuring hole 8 and a graphite electrode 9.
Detailed Description
The following embodiments are only intended to illustrate the present invention in detail, and do not limit the scope of the present invention in any way. The components, structures, mechanisms and the like of the unit modules in the following examples are all conventional and commercially available products unless otherwise specified.
The embodiment is as follows: as shown in fig. 2-3, a special sheet-type plug gauge capable of measuring roundness, verticality and coaxiality simultaneously comprises a body 1 which is large in top and small in bottom and is bilaterally symmetrical, and a reference plate 2 arranged at the top end of the body 1, wherein the height H of the body 1 is larger than the depth of a conical hole to be measured, the upper surface of the reference plate 2 is a horizontal reference surface 3, the length of the reference plate 2 is larger than the diameter of a large-diameter end of the conical hole to be measured, and two sides of the body 1 in the length direction are provided with taper measuring surfaces 4 which are matched with the conical hole to be measured.
The upper surface of the reference plate 2 is provided with two bulges 5, the two bulges 5 are in mirror symmetry with the mirror symmetry plane of the two taper measuring surfaces 4, one side of the two bulges 5 which deviates from each other is provided with a vertical reference surface 6, the vertical reference surface 6 is an arc surface, and the arc surface is coaxial with the outer circumference surface of the standard graphite electrode.
In order to reduce the weight of the plug gauge and facilitate carrying, a plurality of lightening holes 7 are arranged on the body 1.
In order to facilitate the measurement of the distance between the horizontal reference plane 3 and the graphite electrode end face piece, the reference plate 2 is provided with a distance measuring hole 8.
The operation and use method of the sheet type plug gauge comprises the following steps:
as shown in fig. 4-5, during measurement, two taper measurement surfaces 4 are in close contact with the inner threads of the small-diameter end of the conical hole of the graphite electrode 9 without clearance, the distance a between the horizontal reference surface 3 of the plug gauge and the graphite electrical end surface and the distance B between the outer circumferential surface of the electrode and the vertical reference surface 6 of the plug gauge are obtained by matching with a vernier depth gauge, measurement is sequentially carried out for four times at intervals of 90 degrees within the 360-degree circumferential range of the end surface of the measured electrode, 4 groups of data A1-A4 and B1-B4 are obtained in total, and the roundness, perpendicularity and coaxiality values of the measured graphite electrode 9 are obtained by calculation according to a formula.
Circularity = [ (A1 + A3) - (A2 + A4) ]/12
Coaxiality = [ MAX (| B1-B3 |, | B2-B4 |)/2
Perpendicularity = | A1+ A4) - (A2 + A3) | × 0.707
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent replacements made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.
Claims (6)
1. The utility model provides a but special slice type feeler gauge of simultaneous measurement circularity, straightness and axiality that hangs down which characterized in that: the taper measuring device comprises a body with a large upper part and a small lower part and a reference plate arranged at the top end of the body, wherein the height of the body is greater than the depth of a conical hole to be measured, the upper surface of the reference plate is a horizontal reference surface, the length of the reference plate is greater than the diameter of a large-diameter end of the conical hole to be measured, and taper measuring surfaces matched with the conical hole to be measured are arranged on two sides of the body in the length direction; the upper surface of the reference plate is provided with a bulge, and the bulge is provided with a vertical reference surface.
2. The special blade-type plug gauge capable of simultaneously measuring roundness, verticality and coaxiality according to claim 1, wherein: the two bulges are in mirror symmetry with mirror symmetry planes of the two taper measuring surfaces.
3. The special blade-type plug gauge capable of simultaneously measuring roundness, verticality and coaxiality according to claim 2, wherein: the vertical reference surface is an arc surface, and the arc surface is coaxial with the outer circumferential surface of the standard graphite electrode.
4. The special blade-type plug gauge capable of simultaneously measuring roundness, verticality and coaxiality according to claim 3, wherein: the vertical reference surface is arranged on one side of the two bosses which are deviated from each other.
5. The special blade-type plug gauge capable of simultaneously measuring roundness, verticality and coaxiality according to claim 1, wherein: and the reference plate is provided with a distance measuring hole.
6. The special blade-type plug gauge capable of simultaneously measuring roundness, verticality and coaxiality according to claim 1, wherein: the body is provided with a plurality of lightening holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221321918.2U CN217818423U (en) | 2022-05-30 | 2022-05-30 | Special sheet-type plug gauge capable of simultaneously measuring roundness, verticality and coaxiality |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221321918.2U CN217818423U (en) | 2022-05-30 | 2022-05-30 | Special sheet-type plug gauge capable of simultaneously measuring roundness, verticality and coaxiality |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217818423U true CN217818423U (en) | 2022-11-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221321918.2U Active CN217818423U (en) | 2022-05-30 | 2022-05-30 | Special sheet-type plug gauge capable of simultaneously measuring roundness, verticality and coaxiality |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217818423U (en) |
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2022
- 2022-05-30 CN CN202221321918.2U patent/CN217818423U/en active Active
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